GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Audible Warning System Check performed?

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Go to Step 2

Go to Audible Warnings System Check

2

  1. Place the key in the ignition.
  2. Close the driver's door.
  3. Disconnect the front LH side door jamb switch.

Is the key-in-ignition warning still activated?

--

Go to Step 3

Go to Step 4

3

  1. Locate a short to ground in circuits RM1, RM2, RM901 or RM900.
  2. Repair the short to ground in circuits RM1, RM2, RM901or RM900.

Is the repair complete?

--

Go to Step 5

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4

Replace the LH front side door jamb switch. Refer to Door Jmab Switch Replacement in Doors.

is the repair complete?

--

Go to Step 5

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5

  1. Connect all connectors and components that were disconnected.
  2. Verify that the key-in warning operates properly.

Does the key-in warning operate properly?

--

System OK

Go to Step 1